P

Inventor

HOTTA MASAHIRO

JP10 patents
⚠️ This page may combine multiple inventors who share the name “HOTTA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKISUI CHEMICAL CO LTD

4 patents
US4354909AOct 19, 1982

Process for production of magnetic recording medium

SEIKISUI CHEMICAL CO LTD23 citations80
US4395465AJul 26, 1983

Magnetic recording medium and process for production thereof

SEIKISUI CHEMICAL CO LTD11 citations71
US4382110AMay 3, 1983

Magnetic recording medium

SEIKISUI CHEMICAL CO LTD6 citations71
US4105449AAug 8, 1978

Extruded electrophotographic recording material

SEIKISUI CHEMICAL CO LTD7 citations71

DAINIPPON PLASTICS

3 patents
US4588777AMay 13, 1986

Synthetic resin composition

DAINIPPON PLASTICS34 citations91
US4822684AApr 18, 1989

Sandwich glass

DAINIPPON PLASTICS22 citations78
US4769415ASep 6, 1988

Resin composition

DAINIPPON PLASTICS14 citations70

HITACHI LTD

1 patent
US7272253B2Sep 18, 2007

Method for non-destructive inspection, apparatus thereof and digital camera system

HITACHI LTD15 citations82

SEKISUI CHEMICAL CO LTD

1 patent
US4173677ANov 6, 1979

Electro-thermosensitive recording materials

SEKISUI CHEMICAL CO LTD16 citations73

KOBE STEEL LTD

1 patent
US11293068B2Apr 5, 2022

Reduced iron production method

KOBE STEEL LTD0 citations46